Question 54101
9) Bill works at three jobs. On his first job he is paid 5% of the sales price for each novelty item that he packages for the seller. The items currently sell for $25.00 each. It takes him 10 minutes to pack each unit properly for the mail order business.
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He can package 6 items per hour:
6 * .05(25) = $7.50/hr
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His second job, mowing lawns, he charges customers $10.00/hr but he has to pay for the gas he uses in the mower and trimmer. Gas consumption amounts to one quart per hour and costs $3.00/gallon.
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10 - 3 = $7.00/hr 
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His third job, babysitting in his neighborhood, he gets $2.25/hour for each child watched. None of his neighbors have more than three kids.
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3 * 2.25 = $6.75/hr 
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If he has to give up one job when school starts, which job should he let go and still make the most money during the school term?
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I'll let you decide